Tiny dust coalescence device

Abstract

The invention provides a tiny dust coalescence device which comprises a shell, and a flow guide channel, a coalescence channel and a flow rectifying and stabilizing channel are arranged in the shell. A plurality of turbulent flow bluff body blades which are arranged at intervals are arranged on the inner wall of the coalescence channel, a plurality of first flow guide bluff bodies are arranged in the flow guide channel, and a plurality of seamless bluff bodies are arranged in the flow rectification and stabilization channel. The turbulent flow bluff body blades are arranged in the coalescence channel, dust airflow can form backflow on the leeward faces of the turbulent flow bluff body blades when passing through the turbulent flow bluff body blades, and every two adjacent turbulent flow bluff body blades are mutually spaced to form a gap which is used for generating forward airflow between the turbulent flow bluff body blades so as to generate agglomeration and prevent dust accumulation; the backflow airflow and the forward airflow interact to form flowing composite coalescence, so that dust collides, adsorbs, adheres and grows up until dust particles flow out of a coalescence channel; and the particle size of small particles is increased, and particles below PM2.5 are reduced.

Description

technical field [0001] The invention relates to the technical field of environmental protection equipment, in particular to a fine dust gathering device. Background technique [0002] Coal-fired flue gas particle pollution is the focus of general concern in the current society. Small particles (aerodynamic diameter less than 2.5 μm, referred to as PM2.5) in coal-fired flue gas are difficult to be removed by traditional dust removal equipment and easily absorbed by the human body, which can easily cause severe In addition to directly causing harm to the human body, small particles are also one of the main air pollutants that cause low visibility in the atmosphere. [0003] In industrial production, bag dust collectors are usually used to remove small particles in the air. A single layer of cloth bags is not enough to effectively intercept PM2.5. By increasing the number of bag layers, PM2.5 can be effectively intercepted, but at the same time, dust collectors are also added. ...

AI Technical Summary

Problems solved by technology

[0003] In industrial production, bag dust collectors are usually used to remove small particles in the air. A single layer of cloth bags is not enough to effectively intercept PM2.5. By increasing the number of bag layers, PM2.5 can be effectively intercepted, but at the same time, dust collectors are also added. The resistance of the flue reduces the working efficiency of the bag filter and the cost is relatively high; in addition, the bag filter needs to be cleaned regularly. For multi-layer bags, the cleaning operation is particularly inconvenient; Under the environment, the bag is also easy to be damaged, which will weaken the dust removal ability of the bag filter and cause the bag filter to fail to meet the emission standards.

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